45465419 has 2 divisors, whose sum is σ = 45465420. Its totient is φ = 45465418.

The previous prime is 45465397. The next prime is 45465451. The reversal of 45465419 is 91456454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45465419 - 2⁸ = 45465163 is a prime.

It is a super-2 number, since 2×45465419² = 4134208649691122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45465479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22732709 + 22732710.

It is an arithmetic number, because the mean of its divisors is an integer number (22732710).

Almost surely, 2^45465419 is an apocalyptic number.

45465419 is a deficient number, since it is larger than the sum of its proper divisors (1).

45465419 is an equidigital number, since it uses as much as digits as its factorization.

45465419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The square root of 45465419 is about 6742.8049801251. The cubic root of 45465419 is about 356.9113830897.

The spelling of 45465419 in words is "forty-five million, four hundred sixty-five thousand, four hundred nineteen".